<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item> 
        </el-breadcrumb>


        <!-- 卡片视图区域 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" clearable @clear="getGoodsList" v-model="queryInfo.query">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goaddPage">添加商品</el-button>
                </el-col>

            </el-row>

            <!-- table表格区域 -->
            <el-table :data="goodsList" border stripe>
                <el-table-column type="index" label="#"></el-table-column>
                <el-table-column prop="goods_name" label="商品名称"></el-table-column>
                <el-table-column prop="goods_price" label="商品价格(元)" width="95px"></el-table-column>
                <el-table-column prop="goods_weight" label="商品重量" width="70px"></el-table-column>
                <el-table-column prop="add_time" label="添加时间" width="140px">
                    <!-- eslint-disable-next-line -->
                    <template slot-scope="slotprops">{{slotprops.row.add_time | dataFormat}}</template>
                </el-table-column>
                <el-table-column  label="操作" width="130px">
                    <!-- eslint-disable-next-line -->
                    <template slot-scope="slotprops">
                        <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeByID(slotprops.row.goods_id)"></el-button>
                    </template>    
                </el-table-column>


                
            </el-table>

            <!-- 分页区域 -->
            <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.num" :page-sizes="[1 ,10,30, 50]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total">
            </el-pagination>
        </el-card>
    </div>
</template>

<script>
export default {
    data:function(){
        return{
            // 查询商品数据参数对象
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            //获取到的商品列表
            goodsList:[],
            // 获取到的商品总数
            total:0,
            
        }
    },
    created(){
        this.getGoodsList()
    },
    methods:{
        // 根据分页获取对应的商品列表
        getGoodsList: async function(){
            const {data:res} = await this.$http.get('goods',{
                params:this.queryInfo
            })
            if(res.meta.status !=200){
                return this.$message.error('获取商品列表失败');
            }else{
                // console.log(res.data);
                // this.$message.success('获取商品列表成功')
                this.goodsList = res.data.goods
                this.total = res.data.total
            }
        },
        // 分页功能
        handleSizeChange:function(newSize){
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        handleCurrentChange:function(newPage){
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        // 根据ID删除商品
        removeByID: async function(id){
            const res = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
                confirmButtonText: '确定',
                 cancelButtonText: '取消',
                type: 'warning'
            }).catch(err=>err)
            if(res!='confirm'){
                return this.$message.info('已经取消删除');
            }else{
                const {data:res} = await this.$http.delete(`goods/${id}`)
                if(res.meta.status !=200){
                    return this.$message.error('删除失败');
                }else{
                   this.$message.success('删除成功');

                    this.getGoodsList()
                }
            }

        },

        // 点击按钮，进入商品添加界面
        goaddPage:function(){
            // 
            this.$router.push('/add')
        }
    }
}
</script>


<style lang="less" scoped>

</style>